Mathematics – Differential Geometry
Scientific paper
2010-11-06
Mathematics
Differential Geometry
17 pages. This paper consits of the contents of sect. 2 & 3 in the ver. 1 & 2 of "The intrinsic duality of wave fronts" (arXiv
Scientific paper
In a previous work, the authors gave a definition of `front bundles'. Using
this, we give a realization theorem for wave fronts in space forms, like as in
the fundamental theorem of surface theory. As an application, we investigate
the behavior of principal singular curvatures along A_2-singularities of
hypersurfaces with non-negative sectional curvature in Euclidean space.
Saji Kentaro
Umehara Masaaki
Yamada Kotaro
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